Posted by john on Monday, December 6, 2010 at 10:25pm.
calculate the infinite sum of a geometric series with first term 15,000 and common ratio by (11/10)

r=9/10?  MathMate, Monday, December 6, 2010 at 11:40pm
If r=9/10, a0=15000, then
Σ1∞ ai
=15,000/(1r)
=150,000
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